Our company import one producing line and producing one kind of new product - New harden pipe !
In the formal situation , Chinese harden pipe DN125*4.5mm*3000mm inner wall through heatment , and the service life is 30000cbm.
But our new product , harden pipe inner wall and outer wall both through heat treatment , so , the pipe hardness is more better than the formal harden pipe , hardness is 57HRC-59HRC, and service life is about 55000cbm-60000cbm , same service life with chinese twin wall pipe , but the weight is much more lighter . It is a good product for concrete pumping !
If you have interests about that , please tell me :
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